CAD/CAM technology has been involved in the fabrication of dental abutments and restoration for the purpose of improving the biologic and esthetic results. This assumption has been formulated primarily from subjective interpretations as objective assessments from randomized controlled trials are sparse at best. This study will be significant for clinical dentistry in that it will create evidence on the clinical long-term performance of Zirconium CAD/CAM abutments and ceramic crowns compared to stock titanium abutments and porcelain-fused-to-metal restorations using subjective and objective evaluation parameters that will be statistically compared.